lock to most recent versions
lock to most recent versions

As per https://github.com/jingweno/nut/issues/16, this doesn’t appear
to actually be working and we always get the most recent!  But I have
faith it will be fixed anyhow.

creature/scmpuff,creature/scmpuff,mroth/scmpuff,creature/scmpuff,mroth/scmpuff,mroth/scmpuff